dt-bindings: phy: qcom,qmp: Add sc8180x PCIe compatible

Add a compatible for the sc8180x PCIe PHY.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210629004509.1788286-1-bjorn.andersson@linaro.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>